ICD-10-CM > H00-H59 > H43-H44 > H44 > H44.4 > H44.44 H44.44 Primary hypotony of eye Non-Billable/Non-Specific Codes H44.441Primary hypotony of right eyeH44.442Primary hypotony of left eyeH44.443Primary hypotony of eye, bilateralH44.449Primary hypotony of unspecified eye